.content{
    width: 1226px;
    margin: auto;
    
}
.na li{
    list-style: none;
    float: left;
    background: 0 0;
    font-size: 14px;
    height: 36px;
    line-height: 36px;
    font-weight: 700;
    margin-right: 50px;
}

.na{
    margin-top: 40px;
    /* border: 1px solid red; */
    border-bottom: 1px solid #eaeaea;
    height: 36px;
}
.price{
    margin-top: -5px;
}
.na a{
    text-decoration: none;
    color: #333;
}

.book_list{
    padding-top: 30px;
    /* border: 1px solid red;
    height: 1000px; */
    
}
.book_list2{
    padding-top: 30px;
    /* border: 1px solid red;
    height: 1000px; */
    display: none;
}
.book_list3{
    padding-top: 30px;
    /* border: 1px solid red;
    height: 1000px; */
    display: none;
}
.book_list4{
    padding-top: 30px;
    display: none;
    /* border: 1px solid red;
    height: 1000px; */
}

.book_list a{
    display: block;
    width: 306px;
    float: left;
    margin-bottom: 39px;
    padding: 0;
}

.book_list2 a{
    display: block;
    width: 306px;
    float: left;
    margin-bottom: 39px;
    padding: 0;
}
.book_list3 a{
    display: block;
    width: 306px;
    float: left;
    margin-bottom: 39px;
    padding: 0;
}

.book_list4 a{
    display: block;
    width: 306px;
    float: left;
    margin-bottom: 39px;
    padding: 0;
}
.book_list img{
    width: 114px;
    height: 162px;
}
.book_list2 img{
    width: 114px;
    height: 162px;
}
.book_list3 img{
    width: 114px;
    height: 162px;
}
.book_list4 img{
    width: 114px;
    height: 162px;
}
.bookcover{
    float: left;
}
.book_info{
    float: left;
    width: 143px;
    height: 162px;
    margin-left: 5px;
    /* padding: 10px 0; */
}
a{
    text-decoration: none;
    color: #333;
}
.title{
    height: 40px;
    overflow: hidden;
    line-height: 20px;
    font-weight: 700;
    font-size: 14px;
}
.des:hover{
    position: absolute;
    color: rgb(196, 219, 102);
}

.author{
    padding-top: 5px;
    padding-bottom: 12px;
    height: 22px;
    overflow: hidden;
    font-size: 12px;
    line-height: 22px;
}
.price{
    font-size: 12px;
    padding: 5px 0;
    color: #ccc;
}
.now{
    color: #ed3e01;
    padding-left: 0;
    text-decoration: none;
}
.des{
    overflow: hidden;
    padding-top: 9px;
    font-size: 12px;
    line-height: 22px;
    width: 143px;
    height: 46px;
    color: #666;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    /* border: 1px solid red; */
}
